Miles between Boulder, CO and Steger, IL

There are
1,020 mi
from Boulder, CO to Steger, IL

That's the driving distance. It would take 18 hours 7 mins to go from Boulder, Colorado to Steger, Illinois.

The flight distance (direct flight from Boulder, CO to Steger, IL) is 926.97 mi.

1,020 mi = 1,641.66 kms